Adding PMD rule to check @Timed annotation placement.
Adding PMD rule to check @Timed annotation placement.

Bugs closed: AURORA-967

Reviewed at https://reviews.apache.org/r/28914/

wfarner/aurora,apache/aurora,wfarner/aurora,rosmo/aurora,rdelval/aurora,mschenck/aurora,thinker0/aurora,thinker0/aurora,protochron/aurora,rosmo/aurora,protochron/aurora,medallia/aurora,wfarner/aurora,mschenck/aurora,rdelval/aurora,medallia/aurora,shahankhatch/aurora,shahankhatch/aurora,rdelval/aurora,kidaa/aurora,wfarner/aurora,thinker0/aurora,mschenck/aurora,rdelval/aurora,crashlytics/aurora,apache/aurora,crashlytics/aurora,apache/aurora,rosmo/aurora,shahankhatch/aurora,thinker0/aurora,shahankhatch/aurora,kidaa/aurora,kidaa/aurora,rosmo/aurora,crashlytics/aurora,thinker0/aurora,wfarner/aurora,wfarner/aurora,rosmo/aurora,medallia/aurora,apache/aurora,apache/aurora,kidaa/aurora,protochron/aurora,medallia/aurora,mschenck/aurora,medallia/aurora,crashlytics/aurora,shahankhatch/aurora,mschenck/aurora,rdelval/aurora,protochron/aurora,thinker0/aurora,mschenck/aurora,crashlytics/aurora,protochron/aurora,rdelval/aurora,crashlytics/aurora,medallia/aurora,rosmo/aurora,protochron/aurora,apache/aurora,shahankhatch/aurora,kidaa/aurora,kidaa/aurora